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Vulnerability details: VCID-c4cr-defh-efd2
Vulnerability ID VCID-c4cr-defh-efd2
Aliases CVE-2020-20178
Summary Ethereum 0xe933c0cd9784414d5f278c114904f5a84b396919#code.sol latest version is affected by a denial of service vulnerability in the affected payout function. Once the length of this array is too long, it will result in an exception. Attackers can make attacks by creating a series of account addresses.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2020-20178
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-20178
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-20178
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-20178
https://bugzilla.redhat.com/show_bug.cgi?id=1914774
https://etherscan.io/address/0xe933c0cd9784414d5f278c114904f5a84b396919
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cpe:2.3:a:whohas_project:whohas:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:whohas_project:whohas:-:*:*:*:*:*:*:*
CVE-2020-20178 https://nvd.nist.gov/vuln/detail/CVE-2020-20178
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-20178
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-20178
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.59186
EPSS Score 0.00389
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T12:12:47.042643+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 37.0.0